Granted Patent
Utility
US 4,248,783 · App. 06/078,369
Steroids having a 3-(4-hydroxyphenyl)pentanedioic acid monohydrazide substituent
Inventors:
Ravi K. Varma, B. Richard Vogt
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Sep 24, 1979
Inventors
Ravi K. Varma
B. Richard Vogt
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.